{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 集成学习的概述"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "集成学习，或称模型聚合（ensemble learning or aggregation model），主要是学习组合各个分类器在一起，形成新的更强大的分类器，达到更好的性能和效果"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "三种选择的方式：\n",
    "\n",
    "1.众多分类器里选一个最好的\n",
    "\n",
    "2.平均投票\n",
    "\n",
    "3.按权重投票\n",
    "\n",
    "4.根据不同的情况，按不同的规则混合在一起\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "collapsed": true
   },
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   "source": []
  }
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